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Colorful bird feathers offer evolutionary clues(图)
Colorful bird feathers evolutionary clues
2019/11/22
Researchers at the University of Arizona (UA) and other institutions have discovered a new twist on the idea that evolution is driven by species interactions in a community. The results are published ...
Colorful bird feathers offer evolutionary clues(图)
Colorful bird feathers evolutionary clues
2019/11/22
Researchers at the University of Arizona (UA) and other institutions have discovered a new twist on the idea that evolution is driven by species interactions in a community. The results are published ...
Are abstract concepts like dinosaur feathers?Objectification as a conceptual tool:evidence from language and gesture of English and Polish native speakers
Objectification theor conceptual metaphor abstract concepts concrete concepts concreteness metaphorical gesture blindness
2015/7/10
Studies based on the Contemporary Theory of Metaphor (Lakoff & Johnson, 1980, 1999) usually identify conceptual metaphors by analysing linguistic expressions and creating a post hoc interpretation of ...
New Nano Materials Inspired by Bird Feathers Play with Light to Create Color(图)
New Nano Materials Bird Feathers Light to Create Color
2015/5/25
Inspired by the way iridescent bird feathers play with light, scientists have created thin films of material in a wide range of pure colors — from red to green — with hues determined by physical struc...
Pigment or Bacteria? Researchers Re-examine the Idea of ‘Color’ in Fossil Feathers(图)
Pigment Bacteria Re-examine Color
2014/3/20
Paleontologists studying fossilized feathers have proposed that the shapes of certain microscopic structures inside the feathers can tell us the color of ancient birds. But new research from North Car...
An Overview of Feathers Formation, Moults and Down Production in Geese
Feather Formation Goose Moults Yields and Quality of Feathers and Down
2016/5/6
Feathers are one of the integument appendages that form the outer covering, or plumage, on birds. The goslings hatch with a downy coat of feathers formed in embryonic development. They moult the natal...
A new feather type in a nonavian theropod and the early evolution of feathers
Early Cretaceous a nonavian theropod
2014/3/26
All described feathers in nonavian theropods are composite struc-tures formed by multiple filaments. They closely resemble rela-tively advanced stages predicted by developmental models of the
origin ...
Exceptional dinosaur fossils show ontogenetic development of early feathers
early feathers Exceptional dinosaur fossils
2014/3/26
Recent discoveries of feathered dinosaur specimens have greatly
improved our understanding of the origin and early evolution of
feathers, but little information is available on the ontogenetic
deve...
Changes in Structure of Head Feathers of Wild Plumage Type:Male Mallard Ducks (Anas platyrhynchos var.domesticus) Following Seasonal Plumage Changes
mallard duck seasonal dimorphism plumage pigment feather structure
2009/7/31
Seasonal changes occur in the plumage of male mallard ducks, and this phenomenon is referred to as seasonal dimorphism of the plumage. However, no information is available, especially morphological, a...
‘Silent Screen’, ‘Tar and Feathers’ (图)
Barcelona, Teatro Liceu Silent Screen Tar and Feathers
2009/7/23
Over the years, innovative and daring choreographers such as Hans van Manen, Glen Tetley and Anders Hellström have always managed to find groups of performers with sound technique able to articul...
Biocomposites with a Content of Keratin from Chicken Feathers
keratin feathers fibrous biocomposites sorption keratin solutions
2009/2/13
The market’s demand for fibrous materials with increased moisture retention is principally connected with the essential development of sanitary and cosmetic products. Keratin, which is included in fea...
Researcher examines polymers created with poultry feathers(图)
biodegradable plastics poultry feathers polymers
2007/4/13